Solar Energy Potential in Martorell, Catalonia, Spain
Martorell, Catalonia, Spain, located at latitude 41.4765° and longitude 1.9278° in the Northern Temperate Zone, offers promising conditions for solar power generation throughout the year, though with significant seasonal variations. The solar energy output at this Mediterranean location follows a predictable pattern across the seasons. Summer stands out as the most productive period, generating an impressive 7.32 kWh per day for each kilowatt of installed solar capacity. Spring follows as the second most productive season with 5.76 kWh per day. Autumn produces noticeably less at 3.69 kWh per day, while winter sees the lowest output at just 2.36 kWh per day.Seasonal Variations and Optimal Production Periods
This seasonal pattern makes late spring through early autumn the ideal period for solar energy production in Martorell. During these months, longer days and more direct sunlight significantly boost energy generation. The substantial difference between summer and winter production (over three times more energy in summer) highlights the Mediterranean climate's seasonal nature. For fixed solar panel installations in Martorell, Catalonia, the ideal tilt angle to maximize year-round energy production is 36 degrees facing South. This specific angle optimizes the capture of sunlight throughout the year, accounting for the Earth's elliptical orbit and Martorell's position in the Northern Hemisphere.Environmental Considerations
Several environmental factors could potentially impact solar production in Martorell:- Dust and pollen accumulation from the surrounding agricultural and industrial areas can reduce panel efficiency, requiring regular cleaning schedules
- Occasional Mediterranean dust storms carrying Saharan sand can temporarily decrease production
- Summer heatwaves may slightly reduce panel efficiency as photovoltaic cells become less efficient at very high temperatures
Preventative Measures
To maximize solar energy production in Martorell, Catalonia, several preventative measures are recommended:- Install panels with adequate spacing and ventilation to reduce heat-related efficiency losses
- Implement automated cleaning systems or regular maintenance schedules to address dust accumulation
- Consider slightly adjusting the tilt angle seasonally if possible, though the 36-degree fixed angle offers excellent year-round performance
- Use high-quality inverters that perform well across varying light conditions to maximize production during less optimal periods
Note: The Northern Temperate Zone extends from 35° latitude North up to 66.5° latitude.
So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 361 locations across Spain. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in Spain by location
Solar output per kW of installed solar PV by season in Martorell
Seasonal solar PV output for Latitude: 41.4765, Longitude: 1.9278 (Martorell, Spain), based on our analysis of 8760 hourly intervals of solar and meteorological data (one whole year) retrieved for that set of coordinates/location from NASA POWER (The Prediction of Worldwide Energy Resources) API:
 
Ideally tilt fixed solar panels 36° South in Martorell, Spain
To maximize your solar PV system's energy output in Martorell, Spain (Lat/Long 41.4765, 1.9278) throughout the year, you should tilt your panels at an angle of 36° South for fixed panel installations.
As the Earth revolves around the Sun each year, the maximum angle of elevation of the Sun varies by +/- 23.45 degrees from its equinox elevation angle for a particular latitude. Finding the exact optimal angle to maximise solar PV production throughout the year can be challenging, but with careful consideration of historical solar energy and meteorological data for a certain location, it can be done precisely.
We use our own calculation, which incorporates NASA solar and meteorological data for the exact Lat/Long coordinates, to determine the ideal tilt angle of a solar panel that will yield maximum annual solar output. We calculate the optimal angle for each day of the year, taking into account its contribution to the yearly total PV potential at that specific location.
Seasonally adjusted solar panel tilt angles for Martorell, Spain
If you can adjust the tilt angle of your solar PV panels, please refer to the seasonal tilt angles below for optimal solar energy production in Martorell, Spain. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 36° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 25° South in Summer | 46° South in Autumn | 56° South in Winter | 34° South in Spring |
Our recommendations take into account more than just latitude and Earth's position in its elliptical orbit around the Sun. We also incorporate historical solar and meteorological data from NASA's Prediction of Worldwide Energy Resources (POWER) API to assign a weight to each ideal angle for each day based on its historical contribution to overall solar PV potential during a specific season.
This approach allows us to provide much more accurate recommendations than relying solely on latitude, as it considers unique weather conditions in different locations sharing the same latitude worldwide.
Calculate solar panel row spacing in Martorell, Spain
We've added a feature to calculate minimum solar panel row spacing by location. Enter your panel size and orientation below to get the minimum spacing in Martorell, Spain.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - Minimum Spacing:
We add the shadow length to the horizontal space occupied by tilted panels.
This approach ensures maximum space efficiency while avoiding shading during critical times, as the Winter solstice represents the worst-case scenario for shadow length.
Topography for solar PV around Martorell, Spain
Martorell, located in Catalonia, Spain, sits at the confluence of two rivers—the Llobregat and the Anoia—creating a distinctive topographical setting. The landscape around Martorell is characterized by a mix of river valleys and surrounding hills, with elevations gradually rising as one moves away from the river systems.
Valley and River Systems
The town of Martorell itself occupies a strategic position in a valley where these two significant waterways meet. The Llobregat River valley forms a natural corridor running roughly north-south, while the Anoia River approaches from the west. This river junction has historically made Martorell an important crossing point and settlement area. The valley floor around these rivers is relatively flat, with fertile alluvial soils supporting agricultural activities.Surrounding Elevations
Moving outward from the river valleys, the terrain begins to rise into gentle hills and eventually more pronounced elevations. To the west, the land climbs toward the Prelitoral Mountain Range (Serra Prelitoral), part of the Catalan Coastal Ranges. These mountains aren't exceptionally high but provide significant topographical contrast to the valley floors. To the east of Martorell, the land rises more gently toward the Litoral Range (Serra Litoral), creating a series of hills and plateaus between the river valley and the Mediterranean coast. The overall pattern creates a corridor-like topography with the river valley nestled between higher ground on both east and west sides.Potential Areas for Solar PV Development
When considering large-scale solar photovoltaic installations around Martorell, several topographical factors become important. The most suitable areas would generally include: The elevated plateaus and gentler slopes to the east and west of the river valleys offer promising locations for solar installations. These areas benefit from reduced shadowing effects and good solar exposure throughout the day. Particularly, the south-facing slopes of hills provide optimal conditions for solar energy capture in the Northern Hemisphere. Some of the more level agricultural areas away from the immediate floodplains could potentially be repurposed for solar farms, though this would need to balance against agricultural needs. These areas have the advantage of being relatively flat, which simplifies construction and maintenance of large solar arrays. The hills to the west, approaching the Prelitoral Range, contain numerous areas with favorable aspects (south-facing) and minimal shadowing from adjacent peaks. These locations would receive substantial direct sunlight throughout the year, making them particularly suitable for solar PV deployment.Topographical Constraints
Not all areas around Martorell are equally suitable for large-scale solar development. The immediate river valleys, particularly areas prone to flooding, would present significant challenges and risks for solar infrastructure. Additionally, the steeper slopes of the surrounding hills would increase installation costs and environmental impacts through necessary terrain modifications. Areas with northern aspects (north-facing slopes) naturally receive less direct sunlight in this hemisphere and would be suboptimal for solar energy capture. Similarly, narrow valleys or ravines where neighboring hills might cast shadows during significant portions of the day would reduce the efficiency of solar installations. The overall Mediterranean climate of the region, combined with the varied topography around Martorell, creates numerous potentially suitable locations for solar PV development, particularly on the elevated areas with southern exposures away from the main river valleys.Spain solar PV Stats as a country
Spain ranks 10th in the world for cumulative solar PV capacity, with 15,952 total MW's of solar PV installed. This means that 9.00% of Spain's total energy as a country comes from solar PV (that's 6th in the world). Each year Spain is generating 237 Watts from solar PV per capita (Spain ranks 20th in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in Spain?
Yes, there are several incentives for businesses wanting to install solar energy in Spain. These include the following:
1. The Spanish government offers a feed-in tariff (FIT) for businesses that install solar energy systems. This FIT guarantees a fixed price per kWh of electricity generated by the system over a period of 20 years.
2. Businesses can also benefit from tax deductions and other financial incentives when installing solar energy systems in Spain.
3. Companies may be eligible for grants or subsidies from regional governments or local authorities to help cover the cost of installation and maintenance of their solar energy systems.
4. Businesses may also be able to take advantage of net metering, which allows them to sell excess electricity generated by their solar energy system back into the grid at market prices, thus reducing their overall electricity costs even further.
Do you have more up to date information than this on incentives towards solar PV projects in Spain? Please reach out to us and help us keep this information current. Thanks!
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Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 25th of May 2025
Last Updated: Saturday 6th of December 2025
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Compare this location to others worldwide for solar PV potential
The solar PV analyses available on our website, including this one, are offered as a free service to the global community. Our aim is to provide education and aid informed decision-making regarding solar PV installations.
However, please note that these analyses are general guidance and may not meet specific project requirements. For in-depth, tailored forecasts and analysis crucial for feasibility studies or when pursuing maximum ROI from your solar projects, feel free to contact us; we offer comprehensive consulting services expressly for this purpose.
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